6 Late Roman Britain suffered many upheavals, from both without and within as typified by the construction of the fort of Othona at Bradwell-on-Sea. In AD410 Emperor Honorius cut off his protection to Britain's cities, and subsequently the province slowly died, and the progressively harried Romano-Britons left deserted villas in the face of hostile Saxons. As the withdrawal was not always smooth cats probably found themselves occasionally left behind. Despite the high value placed by Romans on these exotic pets, they would not have been so securely guarded as by the Ancient Egyptians, so during the less disturbed periods occasional cats would also have strayed Survival for the ancestors of our present cats during the subsequent upheavals would have depended on their ability to live feral and in a landscape then fully populated with our native wildcat (Felis sylvestris). The formation of the original kingdom of the East Saxons, the dynastic battles of the English tribes, were followed by Danish attacks, and invasion with Essex in the front line. During the Saxon period the early Christian centres such as Barking and Bradwell were relatively small. However the 10th-12th centuries saw an expansion and growth of the unchallenged Benedictine order abbeys to lavish size. An austere revolt ushered in a range of smaller more open-looking houses typified by the Augustinian cannons. An association developed between clerics and cats, as shown by a number of specific references to them, such as cats were the only pets allowed in monasteries. The advent of monasteries may have seen the beginning